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Goodwill and Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 30, 2013
Changes in goodwill  
Balance, beginning of period $ 533 [1]
Additions as a result of acquisitions 0
Balance, end of period $ 533
[1] Derived from the consolidated audited financial statements included in our Annual Report filed on Form 10-K with the SEC for the year ended December 29, 2012.